Mile per hour [m/h] to Kilometre per hour [km/h] Converter
Quick Reference
1 Mile per hour (m/h) = 1.609344 Kilometre per hour (km/h)
1 Kilometre per hour (km/h) = 0.6213711922 Mile per hour (m/h)
How to Convert Mile per hour to Kilometre per hour
1 m/h = 1.609344 km/h
1 km/h = 0.6213711922 m/h
To convert Mile per hour to Kilometre per hour, multiply the value by 1.609344. To convert Kilometre per hour back to Mile per hour, divide by 1.609344.
Example: convert 10 m/h to km/h:
10 m/h = 10 x 1.609344 = 16.09344 km/h
Mile per hour
Definition: Mile per hour (m/h or mph) is a unit of speed, expressing the number of miles travelled in one hour. It is commonly used for measuring the speed of vehicles, especially in countries that use the imperial system, such as the United States and the United Kingdom.
History/origin: Mile per hour is derived from the imperial system of measurement, based on the mile as a unit of distance and the hour as a unit of time. It is historically tied to the British Empire and its influence.
Current use: Mph is widely used in road signage, vehicle speedometers, and everyday conversation about speed in countries like the US and UK. It is also used in weather reports and sports, such as baseball, to describe the speed of a thrown ball.
Kilometre per hour
Definition: Kilometre per hour (km/h) is a unit of speed, expressing the number of kilometres travelled in one hour. It is commonly used for measuring the speed of vehicles, especially in countries that use the metric system.
History/origin: Kilometre per hour is derived from the metric system, based on the kilometre as a unit of distance and the hour as a unit of time. It became popular as countries adopted the metric system for standardization.
Current use: Km/h is widely used in road signage, vehicle speedometers, and weather reports in many countries. It is a practical unit for expressing speeds within a human-scale context, such as driving or cycling.
Mile per hour to Kilometre per hour Conversion Table
| Mile per hour [m/h] | Kilometre per hour [km/h] |
|---|---|
| 1 m/h | 1.609344 km/h |
| 2 m/h | 3.218688 km/h |
| 5 m/h | 8.04672 km/h |
| 10 m/h | 16.09344 km/h |
| 20 m/h | 32.18688 km/h |
| 50 m/h | 80.4672 km/h |
| 100 m/h | 160.9344 km/h |
| 200 m/h | 321.8688 km/h |
| 500 m/h | 804.672 km/h |
| 1000 m/h | 1609.344 km/h |
Common Mile per hour to Kilometre per hour conversions
- 1 m/h = 1.609344 km/h
- 2 m/h = 3.218688 km/h
- 3 m/h = 4.828032 km/h
- 4 m/h = 6.437376 km/h
- 5 m/h = 8.04672 km/h
- 6 m/h = 9.656064 km/h
- 7 m/h = 11.265408 km/h
- 8 m/h = 12.874752 km/h
- 9 m/h = 14.484096 km/h
- 10 m/h = 16.09344 km/h
- 12 m/h = 19.312128 km/h
- 15 m/h = 24.14016 km/h
- 20 m/h = 32.18688 km/h
- 25 m/h = 40.2336 km/h
- 30 m/h = 48.28032 km/h
- 40 m/h = 64.37376 km/h
- 50 m/h = 80.4672 km/h
- 60 m/h = 96.56064 km/h
- 75 m/h = 120.7008 km/h
- 100 m/h = 160.9344 km/h
- 150 m/h = 241.4016 km/h
- 200 m/h = 321.8688 km/h
- 250 m/h = 402.336 km/h
- 300 m/h = 482.8032 km/h
- 500 m/h = 804.672 km/h
- 750 m/h = 1,207.008 km/h
- 1,000 m/h = 1,609.344 km/h
Common pairs of Speed
Metre per second
Kilometre per hour
Mile per hour